Furthermore, we all know what we gotta do. We're talking basic common sense: keep the Holy Catholic Faith ...
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When did this RANDOM MUSING, this FALLIBLE, PROBABLY WRONG OPINION become so many peoples' identity? When did "Traditional Catholic" become not good enough, or not descriptive enough?
Well, firstly, in the practical order, I don't think anyone, when asked, labels himself "I'm a sedevacantist Traditional Catholic", but simply "Traditional Catholic". I've never known an SV who used a more extended label.
Here's the thing, Matthew, and I've addressed it already when you've brought this "pragmatic" view up before ... the disagreement is in fact about "the Holy Catholic Faith". Ideas matter. Doctrine matters. You can go to the Tridentine Mass all you want, and use Catholic prayer books, and smell some good incense and listen to melodious bells. This Crisis isn't just about the Mass or spirituality or practical considerations, but it's about the Holy Catholic Faith.
There are many Traditional Catholics of the R&R variety who are slouching inexorably toward Old Catholicism and are therefore NOT keeping the "Holy Catholic Faith". That's what this fight is about. It's not about the "5 Opinions" or even about the precise limits of infallibility "in the strict sense" as defined at Vatican I.
Since when is it OK for Catholics to just start up chapels, seminaries, monasteries, convents without the approval of and subjection to the Catholic hierarchy? Since never. This is ALIEN to Catholicism to think this is OK or acceptable. Subjection and submission to the Papacy is what has always set Catholicism apart from the Old Catholics or the Eastern Orthodox. When doing Catholic Apologetics vs. Eastern Orthodoxy or Old Catholicism, the core of the argument has to do with the requirement to remain subject to and in communion with the Pope, the Papacy, the Vicar of Christ, and the successors of St. Peter. There's never been a Pope, a Doctors, a saint, or an actual Catholic theologian who ever taught or believed that the Catholic Magisterium and the Catholic Mass can become corrupt. There is absolutely nothing Traditional about that belief. It's only the Protestants, Eastern Orthodox, and Old Catholics who have claimed that the Papacy has gone corrupt, strayed from the true path of Christianity, and strayed from Tradition.
If you impute this degree of corruption to the Magisterium and Universal Discipline of a legitimate Vicar of Christ, you're gutting the very foundations of the Catholic Church, the very "rock" upon which the Church has always stood. You're essentially claiming that Our Lord built his Church on sand or mud, and not on a rock. What kind of "rock" did Our Lord build His Church on if this foundation can shift, can crumble, in short, if the Papacy can lead souls to hell, corrupt Catholic doctrine, corrupt Tradition and Revelation, and where the Public Worship of the Church can become corrupt, a Protestantized bastard Rite of Mass that displeases God and causes harm to souls?
If you toss this out, as many R&R do, what's left of the Catholic Church and the papacy ... some clown walking around Rome in a white cassock? How do you do apologetics now to Protestants? "Yes, you must be in union with the Church and subject to the Papacy, since the Papacy is the rock upon which Christ founded and the sure source of unity in faith ... well, except that it's turned to shit and you really should be separated from the Papacy to be united to it." At that point, the Prot could simply respond, "See, we told you 500 years ago that the Papacy had gone corrupt and had corrupted Divine Revelation, and we separated from the Papacy just as you have."
Don't you see how many R&R are undermining and destroying the very faith the claim to be upholding by attending a Tridentine Mass and using much incense? Many / most Old Catholics do the same, as a large number of them have retained the Tridentine Mass. What do you say to them with regard to apologetics? "Yeah, you have to be subject to the Papacy, but the Papacy has become corrupt, so you should be a Traditional Catholic." And their response would rightly and logically be, "Welcome to the club. Better late than never. We realized that the Papacy had strayed from Tradition and gone corrupt 100 years before you guys did."
THIS IS WHY IT'S SO IMPORTANT MATTHEW. I have no comprehension why some Traditional Catholics don't get this. People can hold their Tridentine Missals all they like, listen to Gregorian chant, pray the Rosary, be devoted to the saints, etc. ... but then you can find Old Catholic groups that do all these things. That by itself doesn't qualify as Catholicism, and you can't reduce Catholicism to these practices.
So this battle is PRECISELY about the "Holy Catholic Faith" that you say Traditional Catholics are supposed to be preserving and keeping.